674475540481 has 16 divisors (see below), whose sum is σ = 716895625680. Its totient is φ = 632363223040.

The previous prime is 674475540461. The next prime is 674475540491. The reversal of 674475540481 is 184045574476.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2903485456 + 671572055025 = 53884^2 + 819495^2 .

It is a cyclic number.

It is not a de Polignac number, because 674475540481 - 2¹⁷ = 674475409409 is a prime.

It is a super-2 number, since 2×674475540481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674475540461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7938855 + ... + 8023363.

It is an arithmetic number, because the mean of its divisors is an integer number (44805976605).

It is a Proth number, since it is equal to 321615 ⋅ 2²¹ + 1 and 321615 < 2²¹.

Almost surely, 2^674475540481 is an apocalyptic number.

It is an amenable number.

674475540481 is a deficient number, since it is larger than the sum of its proper divisors (42420085199).

674475540481 is a wasteful number, since it uses less digits than its factorization.

674475540481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86324.

The product of its (nonzero) digits is 15052800, while the sum is 55.

The spelling of 674475540481 in words is "six hundred seventy-four billion, four hundred seventy-five million, five hundred forty thousand, four hundred eighty-one".